Tank Must watch, large model, SolarBeat™ photovoltaic movement. Steel case, beaded crown set with a synthetic cabochon-shaped spinel, silvered dial, blued-steel sword-shaped hands, black strap (made without animal materials), steel ardillon buckle. Case dimensions: 33.7 mm x 25.5 mm, thickness: 6.6 mm. Water-resistant to 3 bar (approx. 30 metres).